Erbijsommen t/m 1.000
Optellen
| 1. | 475 + 295 = |
961
|
903
|
770
|
933
|
| 2. | 447 + 410 = |
857
|
804
|
913
|
824
|
| 3. | 318 + 104 = |
491
|
422
|
382
|
299
|
| 4. | 381 + 329 = |
531
|
710
|
511
|
939
|
| 5. | 496 + 110 = |
810
|
606
|
816
|
760
|
| 6. | 292 + 287 = |
693
|
579
|
841
|
913
|
| 7. | 293 + 106 = |
423
|
399
|
489
|
327
|
| 8. | 490 + 349 = |
725
|
542
|
839
|
516
|
| 9. | 394 + 138 = |
972
|
953
|
772
|
532
|
| 10. | 409 + 190 = |
539
|
589
|
863
|
599
|
| 11. | 423 + 154 = |
977
|
577
|
599
|
842
|
| 12. | 471 + 380 = |
690
|
757
|
851
|
718
|